Genus: Colonial; cells arranged pyramidately, each bearing spiny projections.
Species:
Errerella sp. (or Micractinium ),
cell body μm long, μm wide,
x 640, Umi-no-nakamichi Seaside Park, Fukuoka city, Fukuoka Pref., Japan, October 2001 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus: Colonial; cells arranged pyramidately, each bearing spiny projections.
31 μm
